#VU58348 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Mailman - CVE-2021-42096
Published: November 24, 2021
Vulnerability identifier: #VU58348
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-42096
CWE-ID: CWE-338
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mailman
Mailman
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to brute-force the administrative password.
The vulnerability exists due to a certain csrf_token value is derived from the admin password. A remote attacker can conduct a brute-force attack against that password and gain unauthorized access to the application.
Remediation
Install updates from vendor's website.